Finding the Fourth Proportional to 1,078,547,479.44, 1,616,390,999.36 and 553,895,389.20
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Solution
The fourth proportional to 1,078,547,479.44, 1,616,390,999.36 and 553,895,389.20 is: 830,108,584.70
Step by Step Solution
- Step 1: Write the proportion equation
1,078,547,479.44 : 1,616,390,999.36 = 553,895,389.20 : x - Step 2: Convert to fraction form
1,078,547,479.44/1,616,390,999.36 = 553,895,389.20/x - Step 3: Cross multiply
1,078,547,479.44x = 1,616,390,999.36 × 553,895,389.20 - Step 4: Simplify right side
1,078,547,479.44x = 895,311,521,689,884,160 - Step 5: Solve for x
x = 895,311,521,689,884,160/1,078,547,479.44 - Step 6: Final answer
x = 830,108,584.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.